Tamayo Tokuda

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for managing workflow
- Patent number 6,401,073
- Issue date Jun 4, 2002
- Hitachi, Ltd.
- Tamayo Tokuda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for managing workflow of electronic documents
- Patent number 6,038,541
- Issue date Mar 14, 2000
- Hitachi, Ltd.
- Tamayo Tokuda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for managing workflow of electronic documents
- Patent number 5,878,398
- Issue date Mar 2, 1999
- Hitachi, Ltd.
- Tamayo Tokuda
- G06 - COMPUTING CALCULATING COUNTING